mirror of
https://github.com/outbackdingo/UltraGrid.git
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115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
/*
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* =====================================================================================
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*
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* Filename: matrix-generator.c
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*
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* Description:
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*
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* Version: 1.0
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* Created: 04/30/2012 04:49:14 PM
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* Revision: none
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* Compiler: gcc
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*
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* Author: Milan Kabat (), kabat@ics.muni.cz
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* Organization:
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*
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* =====================================================================================
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include <stdio.h>
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#include <string.h>
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#include "matrix-generator.h"
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using namespace std;
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void usage()
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{
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fprintf(stdout, "\nOptions:\n");
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fprintf(stdout, "\t'a'\tUse algorithm from RFC 5170\n");
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fprintf(stdout, "\t'c'\tNumber of 1's per column\n");
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fprintf(stdout, "\t'f'\tOutput filename\n");
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fprintf(stdout, "\t'k'\tParameter 'K' of LDGM coding\n");
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fprintf(stdout, "\t'm'\tParameter 'M' of LDGM coding\n");
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fprintf(stdout, "\t'r'\tGenerate matrix by random\n");
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fprintf(stdout, "\t's'\tPseudo-random number generator seed\n");
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fprintf(stdout, "\n");
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}
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int main (int argc, char* argv[])
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{
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extern int optopt;
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extern char* optarg;
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int c;
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int k = 0;
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int m = 0;
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int seed = 0;
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int column_weight = 0;
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int random = 0;
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int rfc = 0;
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char fname[32];
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while ( ( c = getopt ( argc, argv, "ac:f:hk:m:rs:")) != -1 ) {
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switch(c) {
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case 'a':
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if(random)
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{
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fprintf (stderr, "Only one of the options 'a' 'r' can be chosen.\n" );
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return EXIT_FAILURE;
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}
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rfc = 1;
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break;
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case 'c':
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column_weight = atoi ( optarg );
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break;
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case 'f':
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sprintf(fname, "%s", optarg );
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break;
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case 'h':
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usage();
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return EXIT_SUCCESS;
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case 'k':
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k = atoi ( optarg );
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break;
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case 'm':
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m = atoi ( optarg );
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break;
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case 'r':
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if(rfc)
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{
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fprintf (stderr, "Only one of the options 'a' 'r' can be chosen.\n" );
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return EXIT_FAILURE;
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}
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random = 1;
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break;
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case 's':
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seed = atoi ( optarg );
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break;
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case '?':
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if ( optopt == 'c' || optopt == 'k' || optopt == 'm' )
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fprintf ( stderr, "Option -%c requires an argument.\n", optopt);
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else
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fprintf ( stderr, "Unknown option character '\\x%x'.\n", optopt);
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return 1;
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default:
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abort();
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}
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}
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if ( ! ( k > 0 && m > 0 && column_weight > 0 && (random > 0 || rfc > 0) ) )
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{
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usage();
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return EXIT_FAILURE;
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}
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return generate_ldgm_matrix(fname, k, m, column_weight, seed, 0);
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}
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